<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
      <el-row>
        <el-col :span="7">
          <el-input
            @clear="getGoodsList"
            @keyup.enter.native="getGoodsList"
            clearable
            placeholder="请输入内容"
            v-model="queryInfo.query"
          >
            <el-button @click="getGoodsList" icon="el-icon-search" slot="append"></el-button>
          </el-input>
        </el-col>
        <el-button @click="goAddpage" class="btn" type="primary">添加商品</el-button>
      </el-row>
      <!-- 表格 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="150px">
          <template slot-scope="scope">{{scope.row.add_time | dateFormat}}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button icon="el-icon-edit" size="mini" type="primary"></el-button>
            <el-button
              @click="removeGoods(scope.row.goods_id)"
              icon="el-icon-delete"
              size="mini"
              type="danger"
            ></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页 -->
      <el-pagination
        :current-page="queryInfo.pagenum"
        :page-size="queryInfo.pagesize"
        :page-sizes="[5, 10, 15, 20]"
        :total="total"
        @current-change="handleCurrentChange"
        @size-change="handleSizeChange"
        layout="total, sizes, prev, pager, next, jumper"
      ></el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  // 私有数据节点
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodslist: [],
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      // this.$message.success('获取商品列表成功！')
      this.goodslist = res.data.goods
      this.total = res.data.total
      console.log(res.data)
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newNum) {
      this.queryInfo.pagenum = newNum
      this.getGoodsList()
    },
    async removeGoods (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
        center: true
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消了删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功！')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
.btn {
  margin-left: 20px;
}
</style>